The chemical substance with the name "[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)methanone" and CAS number "156523-04-5" is a complex organic compound characterized by its multi-cyclic structure, which includes a piperidine ring and a pyridine moiety. The presence of a chloro substituent and a methanone functional group contributes to its reactivity and potential biological activity. This compound is often studied for its pharmacological properties, particularly in the context of neuropharmacology, where it may exhibit effects on neurotransmitter systems. Its intricate structure suggests potential interactions with various biological targets, making it of interest in medicinal chemistry. Additionally, the compound's solubility, stability, and bioavailability are critical factors that influence its application in drug development. Overall, this substance exemplifies the complexity and diversity of organic compounds used in pharmaceutical research.

[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)methanone

156523-04-5: Methanone, [4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)-, [4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)methanone, 11H-Benzo[5,6]cyclohepta[1,2-b]pyridine, piperidine deriv., Piperidine, 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-[(5-methyl-3-pyridinyl)carbonyl]-

CAS 156523-04-5: [4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl](5-methyl-3-pyridinyl)methanone

Rupatadine Impurity 18

Ref: 4Z-R-424

Rupatadine Impurity B

Ref: ST-EA-CP-R4003